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Hard Sudoku — Puzzle 238

815
3
578
864
64395
53
41
396
1642

Solve it here

Tap an empty square, then tap a number. Or print the page and use a pencil.

0 of 55 squares filled

Fill every row, every column and every 3 by 3 box with the numbers 1 to 9. This puzzle has 26 given numbers and exactly one solution.

876134259
452798136
139256748
718562394
624389517
593417862
265843971
347921685
981675423

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